:root {
  --dark-blue: #13476d;
  --medium-blue: #2d7da8;
  --light-blue: #3a96c0;
  --plain-yellow: #f6b931;
  --light-yellow: #e9e3d7;
}
* {
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--dark-blue);
  font-family: 'Inter', sans-serif;
}

a {
  text-decoration: none;
  color: var(--dark-blue);
}

.page {
  position: relative;
}

.section {
  padding: 10px;
}

.header__logo {
  width: 80px;
  margin-right: 20px;
  background-color: var(--light-yellow);
}

.header {
  background-color: var(--dark-blue);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  background-color: var(--light-yellow);
  z-index: 1;
  font-family: 'Dongle', sans-serif;
}

.nav_mobile {
  display: none;
}

.hero {
  height: 88svh;
  background-image: url('./img/side-of-truck-wide.jpg') , linear-gradient(to top, #13476dee, #2d7da8ee); /* Image and a semi-transparent gradient */;
  background-blend-mode: overlay;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.hero__title {
  font-size: 5rem;
  text-align: center;
  color: white;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  position: relative;
  padding-top: 8rem;
  padding-bottom: 1rem;
  text-shadow: 0px 0px 5px black;
}

.hero__subtitle {
  text-align: center;
  color: white;
  font-size: 1.5rem;
  text-shadow: 0px 0px 5px black;
}

.nav__links {
  display: flex;
  list-style-type: none;
  gap: 2rem;
  font-size: 2rem;
}

.nav_hamburger {
  width: 50px;
}

.hero__cta-buttons {
  text-align: center;
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  padding: 1rem 2rem;
  background: none;
  border-radius: 5px;
  font-weight: 700;
  border: none;
}

.btn_primary{
  background-color: var(--plain-yellow);
  color: white;
  border: 1px solid white;
}

.btn_secondary {
  background-color: white;
  color: var(--plain-yellow);
  border: 1px solid var(--plain-yellow);
}

.section__title {
  font-size: 2rem;
  text-align: center;
  font-weight: 500;
  margin-top: 1rem;
  color: white;
  margin-bottom: 1rem;
}

.why-us__columns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  list-style-type: none;
}

.column {
  text-align: center;
  background-color: var(--medium-blue);
  padding: 1rem;
  box-shadow: 0px 0px 2px rgba(0, 0, 0, .4);
  border-radius: 5px;
}

.column__title {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: bold;
}

.column__description {
  color: white;
}

.why-us__column {
  width: 350px;
}

.services__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style-type: none;
  gap: 1rem;
}

.services__service {
  background-color: var(--medium-blue);
  color: white;
  border-radius: 5px;
  width: 250px;
  height: 250px;
}

@media screen and (max-width: 550px) {
 .nav {
  display: none;
 } 
 .nav_mobile {
  display: inline-block;
 }
 .header {
  justify-content: space-between;
 }
 .hero__title {
  font-size: 2.2rem;
 }
 .hero__subtitle {
  font-size: 1rem;
 }

}